#include<stdio.h>
#define SIZE 10
int sum(int ar[],int n);
int main(void)
{
    int marbles[SIZE] = {20,10,5,39,4,16,19,26,31,20};
    long answer;
    answer = sum(marbles,SIZE);
    printf("The total number of marblles is %ld.\n",answer);
    printf("The size of marbles is %zd bytes.\n",sizeof marbles);
    return 0;
}

int sum(int ar[],int n)
{
    int i;
    int total = 0;
    for (i=0;i<n;i++)
    total += ar[i];
    printf("The size of ar is %lu bytes.\n",sizeof ar);
    return total;
}